Kilotest: Diagnoses of audio or video caption track missing violation by HTML element 251 on Next Generation Playground page

Basics

About the Next Generation Playground page

• URL: https://www.playnextgeneration.com/
• Tested 14 days ago by job cg9 on 2026-05-18 at 15:01

About HTML element 251

• Tag name: WIX-VIDEO
• Text: [not applicable]
• Start tag: <wix-video id="videoContainer_comp-me4xcz43" data-video-info="{&quot;fittingType&quot;:&quot;fill&quot;,&quot;alignType&quot;:&quot;center&quot;,&quot;hasBgScrollEffect&quot;:&quot;&quot;,&quot;bgEffectName&quot;:&quot;&quot;,&quot;videoId&quot;:&quot;897580_87da002f01d64a9ea1d3871a77e0d739&quot;,&quot;videoWidth&quot;:1080,&quot;videoHeight&quot;:1920,&quot;qualities&quot;:[{&quot;quality&quot;:&quot;360p&quot;,&quot;size&quot;:230400,&quot;url&quot;:&quot;video/897580_87da002f01d64a9ea1d3871a77e0d739/360p/mp4/file.mp4&quot;},{&quot;quality&quot;:&quot;480p&quot;,&quot;size&quot;:409920,&quot;url&quot;:&quot;video/897580_87da002f01d64a9ea1d3871a77e0d739/480p/mp4/file.mp4&quot;},{&quot;quality&quot;:&quot;720p&quot;,&quot;size&quot;:921600,&quot;url&quot;:&quot;video/897580_87da002f01d64a9ea1d3871a77e0d739/720p/mp4/file.mp4&quot;},{&quot;quality&quot;:&quot;1080p&quot;,&quot;size&quot;:2073600,&quot;url&quot;:&quot;video/897580_87da002f01d64a9ea1d3871a77e0d739/1080p/mp4/file.mp4&quot;}],&quot;isVideoDataExists&quot;:&quot;1&quot;,&quot;videoFormat&quot;:&quot;mp4&quot;,&quot;playbackRate&quot;:0.5,&quot;autoPlay&quot;:true,&quot;containerId&quot;:&quot;comp-me4xcz43&quot;,&quot;animatePoster&quot;:&quot;none&quot;}" data-motion-part="BG_IMG comp-me4xcz43" class="aDzdcC bgVideo xSZeaB">
• XPath: [not obtained]
• Bounding box: x = 0, y = 151, width = 1920, height = 487

About the audio or video caption track missing issue

• Why it matters: User cannot get help reading speech as text
• Priority: highest
• Related WCAG standard: 1.2.1

Diagnoses

Here is how tools diagnose the audio or video caption track missing issue for HTML element 251 of the Next Generation Playground page.

1. You have not defined any <a href="https://developer.mozilla.org/en/docs/Web/HTML/Element/track"><code><track></code></a> elements to provide captions or subtitles.

   Tool: ASLint (eSSENTIAL Accessibility)

   Rule: audio_video_captions